aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/zlib.c
diff options
context:
space:
mode:
authorGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>2009-05-27 01:05:02 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2009-06-02 00:04:56 -0400
commit3ce858cb04de8bc83449eac707c8012a1944daca (patch)
tree0bdf275d63a6f53f01703255d52a6129df9fd3dc /crypto/zlib.c
parente9736c16da9077728802f42393d18258e6685428 (diff)
crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}
If crypto_{,de}compress_{update,final}() succeed, return the actual number of bytes produced instead of zero, so their users don't have to calculate that theirselves. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/zlib.c')
-rw-r--r--crypto/zlib.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/crypto/zlib.c b/crypto/zlib.c
index 33609bab614e..c3015733c990 100644
--- a/crypto/zlib.c
+++ b/crypto/zlib.c
@@ -165,15 +165,15 @@ static int zlib_compress_update(struct crypto_pcomp *tfm,
165 return -EINVAL; 165 return -EINVAL;
166 } 166 }
167 167
168 ret = req->avail_out - stream->avail_out;
168 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n", 169 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
169 stream->avail_in, stream->avail_out, 170 stream->avail_in, stream->avail_out,
170 req->avail_in - stream->avail_in, 171 req->avail_in - stream->avail_in, ret);
171 req->avail_out - stream->avail_out);
172 req->next_in = stream->next_in; 172 req->next_in = stream->next_in;
173 req->avail_in = stream->avail_in; 173 req->avail_in = stream->avail_in;
174 req->next_out = stream->next_out; 174 req->next_out = stream->next_out;
175 req->avail_out = stream->avail_out; 175 req->avail_out = stream->avail_out;
176 return 0; 176 return ret;
177} 177}
178 178
179static int zlib_compress_final(struct crypto_pcomp *tfm, 179static int zlib_compress_final(struct crypto_pcomp *tfm,
@@ -195,15 +195,15 @@ static int zlib_compress_final(struct crypto_pcomp *tfm,
195 return -EINVAL; 195 return -EINVAL;
196 } 196 }
197 197
198 ret = req->avail_out - stream->avail_out;
198 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n", 199 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
199 stream->avail_in, stream->avail_out, 200 stream->avail_in, stream->avail_out,
200 req->avail_in - stream->avail_in, 201 req->avail_in - stream->avail_in, ret);
201 req->avail_out - stream->avail_out);
202 req->next_in = stream->next_in; 202 req->next_in = stream->next_in;
203 req->avail_in = stream->avail_in; 203 req->avail_in = stream->avail_in;
204 req->next_out = stream->next_out; 204 req->next_out = stream->next_out;
205 req->avail_out = stream->avail_out; 205 req->avail_out = stream->avail_out;
206 return 0; 206 return ret;
207} 207}
208 208
209 209
@@ -280,15 +280,15 @@ static int zlib_decompress_update(struct crypto_pcomp *tfm,
280 return -EINVAL; 280 return -EINVAL;
281 } 281 }
282 282
283 ret = req->avail_out - stream->avail_out;
283 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n", 284 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
284 stream->avail_in, stream->avail_out, 285 stream->avail_in, stream->avail_out,
285 req->avail_in - stream->avail_in, 286 req->avail_in - stream->avail_in, ret);
286 req->avail_out - stream->avail_out);
287 req->next_in = stream->next_in; 287 req->next_in = stream->next_in;
288 req->avail_in = stream->avail_in; 288 req->avail_in = stream->avail_in;
289 req->next_out = stream->next_out; 289 req->next_out = stream->next_out;
290 req->avail_out = stream->avail_out; 290 req->avail_out = stream->avail_out;
291 return 0; 291 return ret;
292} 292}
293 293
294static int zlib_decompress_final(struct crypto_pcomp *tfm, 294static int zlib_decompress_final(struct crypto_pcomp *tfm,
@@ -328,15 +328,15 @@ static int zlib_decompress_final(struct crypto_pcomp *tfm,
328 return -EINVAL; 328 return -EINVAL;
329 } 329 }
330 330
331 ret = req->avail_out - stream->avail_out;
331 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n", 332 pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
332 stream->avail_in, stream->avail_out, 333 stream->avail_in, stream->avail_out,
333 req->avail_in - stream->avail_in, 334 req->avail_in - stream->avail_in, ret);
334 req->avail_out - stream->avail_out);
335 req->next_in = stream->next_in; 335 req->next_in = stream->next_in;
336 req->avail_in = stream->avail_in; 336 req->avail_in = stream->avail_in;
337 req->next_out = stream->next_out; 337 req->next_out = stream->next_out;
338 req->avail_out = stream->avail_out; 338 req->avail_out = stream->avail_out;
339 return 0; 339 return ret;
340} 340}
341 341
342 342